The Gardens Weather Forecast

    • 8
    • 23

    Windy. Mostly sunny

    • 7
    • 16

    Mostly sunny

    • 0
    • 17

    Partly cloudy

    • 3
    • 19

    Sunny

    • 6
    • 21

    Partly cloudy

    • 10
    • 23

    Shower or two

    • 10
    • 19

    Shower or two

Today 20 Sep St Helens

Mostly sunny. Slight chance of a shower. Damaging winds possible from early afternoon. Winds northwesterly 25 to 35 km/h increasing to 35 to 55 km/h in the morning then tending westerly 35 to 45 km/h in the late evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northwesterly 20 to 30 knots decreasing to 15 to 25 knots in the morning then tending west to northwesterly 20 to 30 knots in the middle of the day. Winds reaching up to 35 knots in the evening.
Seas
1 to 2 metres, increasing to 2 to 4 metres during the afternoon.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Sunny.
Weather Situation
Warm northwesterly winds expected ahead of a cold front crossing the state this evening. The flow will tend colder southwesterly on Monday morning, with a high to establish over the Bight later Monday. This high is expected to move to the north of Tasmania on Tuesday morning and lie over the northern Tasman Sea during Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Gardens Temperature Statistics View More

September Temperature

St Helens Aerodrome (18km)

  • Lowest 17 September, 2026

    2.2 °C

  • Average September

    12.2 °C

  • Highest 10 September, 2026

    22.2 °C

Climate (2021–2026)

St Helens Aerodrome (18km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.4 °C
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